def mouseMoveEvent(self, event):
item = self.itemAt(event.pos())
if not self._itemIsCategory(item):
if self.cursor().shape() == Qt.PointingHandCursor:
self.unsetCursor()
QTreeWidget.mouseMoveEvent(self, event)
else:
if event.pos().x() < 20 and item != None:
self.setCursor(Qt.PointingHandCursor)
else:
self.setCursor(Qt.ArrowCursor)
